Prasinezumab

Prasinezumab

Prothena / Roche · Parkinson's disease
Mid-stage active recruiting CT.gov grounded

High-visibility Parkinson's program targeting alpha-synuclein pathology.

Program overview

Mechanism
anti-alpha-synuclein antibody
Modality
monoclonal antibody
Phase
Mid-stage
Status
active
Recruitment
recruiting
Confidence
medium
Watch priority
2
Last verified
20 Apr 2026

Sponsor and trial identifiers

Sponsor
Prothena / Roche
Trial IDs
NCT07174310, NCT04777331
ClinicalTrials.gov exact matches: NCT07174310, NCT04777331

Regions and recruitment

Active in 18 regions
United States Australia Austria Brazil Canada China Denmark Germany Italy Mexico Poland Portugal South Korea Spain Taiwan United Kingdom France Luxembourg

Indication tags

Parkinson's

Milestones and catalysts

Last milestone
One of the best-known disease-modification programs in Parkinson's still in active follow-up.
Next expected catalyst
Further progression and functional readouts.

Related pages

Disease hub Parkinson's disease hub Disease-specific views with programs, mechanisms, and related context.
Research Research agenda Research notes and background around Parkinson's disease.
Key Targets Key targets The mechanisms and intervention levers behind these programs.
Discover Discover Explainers and visual introductions to the science behind neurodegeneration.
Join Get involved Contribute research, writing, design, engineering, or review.

Related programs

Each card explains why it is here so you can read the overlap at a glance.

Priority 2
Mid-stage active active, not recruiting

A genetically targeted Parkinson's program that fits the monitor's mechanism-first framing well.

Mechanism
GCase pathway modulation
Modality
small molecule
Next catalyst
Further efficacy and pharmacodynamic data in GBA-associated Parkinson's disease.
Last verified
20 Apr 2026

PR001 (LY3884961)

Prevail Therapeutics / Eli Lilly · Parkinson's disease
Priority 2
Early / Mid-stage active active, not recruiting

Gene-therapy Parkinson's program that gives the watchlist a cleaner exact-grounded GBA1 entry.

Mechanism
GBA1 gene replacement
Modality
AAV gene therapy
Next catalyst
Further safety and biomarker interpretation in GBA1-associated Parkinson's disease.
Last verified
20 Apr 2026

Ambroxol

University College London · Parkinson's disease
Priority 2
Mid-stage completed completed

Mechanism-led repurposing program that keeps the Parkinson's pipeline from being only antibody and device narratives.

Mechanism
glucocerebrosidase support / lysosomal modulation
Modality
small molecule repurposing
Next catalyst
Whether clinical and biomarker read-throughs justify a larger disease-modification push.
Last verified
20 Apr 2026
Mid-stage completed completed

Parkinson's program with direct mechanistic relevance to alpha-synuclein biology rather than only symptomatic management.

Mechanism
alpha-synuclein misfolding inhibition
Modality
small molecule
Next catalyst
Mostly interpretive now, but still important for understanding how far small-molecule alpha-syn strategies can go.
Last verified
20 Apr 2026

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